Radial J-ISO 立体声非专业设备DI直插盒批发零售 隔离变压器 消除接地回路的噪声DI直插盒 吉他DI盒 Radial DI直插盒
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J-ISO 立体声非专业设备DI直插盒
应用特点
u 立体声非平衡低电平线路转换器
u 用于与业设备到非与业设备电平调整
u +4dB 平衡线性电平信号转换成非平衡的-10dB 电平
u 立体声路由和电平控制
u 带隔离发压器,可隔离消除两个设备之间的交流声
u 满足非与业设备多格式辒入插座,平衡辒入
u 带地线断开开关
u 独特书本式设计,保护控制旋钮丌叐外界撞击的伤害
u 军用级 14 规格钢材焊接制,使电路板丌会収生扭转
u 底部防滑垫处理,提供物理机械隔离和电气绝缘
技术参数
u 设备类型:无源线路电平发压器式
u 通道数量:立体声,两个单声道
u 频率响应:20Hz ~ 20KHz (+0dB/ -1.5dB)
u 劢态范围:130dB
u 最大电平:+20dBu @ 1kHz/1% THD+N
u 谐波失真:0.001% @ 1kHz
u 相位枀性:0.5° @ 100Hz; 1° @ 20Hz
u 高通滤波器:-3dB @ 100Hz (12dB.Oct.)
u CMRR: -58dB
u 辒入阻抗:1.3KΩ
u 辒出阻抗:520Ω
u 尺寸:84 x 127 x 48mm
u 重量:700 克
J-Iso Stereo +4dB to -10dB converter
Stereo +4dB to -10dB converters and isolator
The Radial J-Iso? and Pro-Iso? are stereo line isolators designed to convert a professional +4dB line level balanced signal to an unbalanced -10dB consumer level device. This enables you to take the balanced output of a mixer and feed a consumer level recorder or audio input on a computer.
Converts balanced line level signals to unbalanced
Stereo signal path with set & forget level control
Transformer isolated to eliminate hum & buzz
Features Jensen transformers for optimal signal path
Exceptional signal handling
The passive design begins with 100% discrete components throughout. A set & forget level control lets you attenuate the input signal to prevent it from overloading the destination device. Output connections include a stereo pair of ?" connectors, a set of RCAs and a mini 3.5mm (1/8") for interfacing to a mini recorder or lap-top computer. Transformer isolation helps eliminate hum and buzz caused by ground loops while eliminating stray DC currents from flowing. Construction begins with 14 gauge steel throughout utilizing Radial's unique bookend construction. This creates a protective zone around the connectors and controls for added durability. The steel construction also assists by shielding the transformers from outside magnetic fields. Inside, the J-Iso features an innovative I-beam skeletal insert that makes it virtually impossible to torque the PC board. This reduces potential stress which could cause premature solder joint failure.
J-Iso Specifications
The Radial J-Iso is a pro to consumer signal converter. It is designed to take a +4dB balanced line level and bring this down to a -10dB unbalanced format for easy manipulation with computers, hand held recorders and other unbalanced systems. Set and forget controls allow the system tech to set levels for optimal signal transfer. The J-Iso and Pro-Iso differ with respect to the transformer and audio signal path. The J-iso is designed to deliver full bandwidth audio while the Pro-Iso is band limited for the voice range.
Specifications
Block Diagram
Graphs
Specifications
Audio circuit type: Passive, transformer based
Transformer: Jensen JT-11-YMPC
Number of channels: Stereo (dual mono)
Frequency response: 20Hz ~ 20KHz (+0dB/ -1.5dB)
Dynamic range: 130dB
Total harmonic distortion: 0.001% @ 1kHz
Phase Deviation: 0.5° @ 100Hz; 1° @ 20Hz
Input Impedance: 1.3k Ohms, unbalanced
Output Impedance: 520 Ohms, balanced
Common Mode Rejection Ratio: -58dB
Maximum Input: +20dBu @ 1kHz/1% THD+N
Features
Ground lift, Level Control
Input Connectors: XLR
Output Connectors: 1/4", RCA and 3.5mm TRS unbalanced
General
Construction: 14 gauge steel chassis
Size (L x W x D): 210px x 317.5px x 120px (3.3" x 5" x 2")
Weight: 0.7 kg (1.55 lbs)
Shipping size (L x W x D): 254.99999999999997px x 190px x 412.5px (4" x 3" x 6.5")
Shipping weight: 0.87 kg (1.92 lbs)
Power: Passive, no power required
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable